It is worth noting that violence related crimes, no matter how minor, can often bar you from working with vulnerable people but it does rather depend on the company. Also once you get your copy back you will know for sure what does and doesn't need to be declared.
A former colleague had a client who declared some quite serious offences but overlooked a comparatively minor one. However when her ECRB came back showing the minor one she had forgotten to mention she was instantly dismissed because she had 'technically' lied on her application and they were left with no option but to dismiss.
www.apextrust.com can sometimes be of use too.